Patents by Inventor Frederick D. Albinson

Frederick D. Albinson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Preparation of indole derivatives
    Patent number: 5103020
    Abstract: A method for the preparation of 3-(2-aminoethyl)-N-methyl-1H-indole-5-methanesulphonamide by reaction of 4-hydrazino-N-methylbenzenemethanesulphonamide and 4-chloro-1-hydroxybutanesulphonic acid, sodium salt in the presence of an acid.
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: April 7, 1992
    Assignee: Glaxo Group Limited
    Inventors: Frederick D. Albinson, John W. M. MacKinnon, Derek L. Crookes